In 1999 Mathias took an unusual career step in agreeing to record the vocals on some demo tracks of the former Mithotyn guitarist Stefan Weinerhall.
Stefan Edberg | Stefan Sagmeister | Stefan Lazarević | Stefan Zweig | Stefan Raab | Stefan Heym | Ştefan Voitec | Stefan Dennis | Stefan Żeromski | Stefan Wyszyński | Stefan Nemanja | Stefan Karlsson | Stefan Brockhoff | Stefan Aust | Adam Stefan Sapieha | Stefan Weisman | Ştefan Vodă | Stefan Skarbek | Stefan Simonsson | Stefan Olsson | Stefan Lorant | Stefan Lochner | Stefan Heidemann | Stefan Guzy | Stefan Gryff | Stefan Grossman | Stefan Everts | Stefan Danailov | Tadeusz Stefan Zieliński | Sveti Stefan |
After two albums with vocalist Kristoffer Göbel, Stefan Weinerhall and drummer Karsten Larsson made the decision to return to the musical direction of their first two releases, which they had somewhat strayed from of late.